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Helm Installation Guide

Helm is the package manager for Kubernetes. It helps you manage Kubernetes applications — Helm Charts help you define, install, and upgrade even the most complex Kubernetes application.

Prerequisites

Before installing Helm, ensure you have the following:

  • A working Kubernetes cluster.
  • kubectl configured to connect to your Kubernetes cluster.

Installation Steps

There are several ways to install Helm. The most common methods are via script or a package manager.

Method 1: Install with Script (Recommended for Linux/macOS)

This is the easiest way to get Helm up and running on Linux or macOS.

  1. Download the installation script:

    curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3

  2. Make the script executable:

    chmod 700 get_helm.sh

  3. Run the script:

    ./get_helm.sh

    This script will download the latest stable Helm version and install it in your system.

Method 2: Install with Homebrew (macOS)

If you are on macOS, you can use Homebrew:

brew install helm

Method 3: Install from Binary

  1. Download the desired version:

    Visit the Helm releases page and download the binary release for your operating system and architecture. For example, for Linux AMD64:

    wget https://get.helm.sh/helm-v3.14.2-linux-amd64.tar.gz
tar -zxvf helm-v3.14.2-linux-amd64.tar.gz

  2. Move the Helm binary to your executable path:

    sudo mv linux-amd64/helm /usr/local/bin/helm

Verify Installation

After installation, verify that Helm is installed correctly by checking its version:

helm version

You should see output similar to:

version.BuildInfo{Version:"v3.14.2", GitCommit:"2a781a965037e07167037b7b546896686a775178", GitTreeState:"clean", GoVersion:"go1.21.7"}

Basic Helm Commands

  • helm install: Install a chart.
  • helm upgrade: Upgrade a release.
  • helm uninstall: Uninstall a release.
  • helm list: List releases.
  • helm search repo: Search for charts in configured repositories.
  • helm repo add: Add a chart repository.
  • helm repo update: Update information of available charts from chart repositories.

For more detailed information and advanced usage, refer to the official Helm documentation.